EP4084296A4 - Motor - Google Patents

Motor Download PDF

Info

Publication number
EP4084296A4
EP4084296A4 EP20905482.4A EP20905482A EP4084296A4 EP 4084296 A4 EP4084296 A4 EP 4084296A4 EP 20905482 A EP20905482 A EP 20905482A EP 4084296 A4 EP4084296 A4 EP 4084296A4
Authority
EP
European Patent Office
Prior art keywords
motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20905482.4A
Other languages
English (en)
French (fr)
Other versions
EP4084296A1 (de
Inventor
Sung Joo Oh
Jae Young Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Innotek Co Ltd
Original Assignee
LG Innotek Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020190173173A external-priority patent/KR20210081018A/ko
Priority claimed from KR1020190177621A external-priority patent/KR20210085020A/ko
Application filed by LG Innotek Co Ltd filed Critical LG Innotek Co Ltd
Publication of EP4084296A1 publication Critical patent/EP4084296A1/de
Publication of EP4084296A4 publication Critical patent/EP4084296A4/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/278—Surface mounted magnets; Inset magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
    • B62D5/0403—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by constructional features, e.g. common housing for motor and gear box
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
    • H02K2201/06—Magnetic cores, or permanent magnets characterised by their skew
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
    • H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
EP20905482.4A 2019-12-23 2020-11-30 Motor Pending EP4084296A4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020190173173A KR20210081018A (ko) 2019-12-23 2019-12-23 모터
KR1020190177621A KR20210085020A (ko) 2019-12-30 2019-12-30 모터
PCT/KR2020/017293 WO2021132917A1 (ko) 2019-12-23 2020-11-30 모터

Publications (2)

Publication Number Publication Date
EP4084296A1 EP4084296A1 (de) 2022-11-02
EP4084296A4 true EP4084296A4 (de) 2023-06-28

Family

ID=76574398

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20905482.4A Pending EP4084296A4 (de) 2019-12-23 2020-11-30 Motor

Country Status (5)

Country Link
US (1) US20230031008A1 (de)
EP (1) EP4084296A4 (de)
JP (1) JP2023508959A (de)
CN (1) CN114902531A (de)
WO (1) WO2021132917A1 (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130342064A1 (en) * 2012-06-22 2013-12-26 Lg Innotek Co., Ltd. Rotor and motor having the same
DE102017223622A1 (de) * 2017-12-21 2019-06-27 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg Rotor für einen Elektromotor und Elektromotor
US10439459B2 (en) * 2014-02-10 2019-10-08 Mitsubishi Electric Corporation Rotor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090001839A1 (en) * 2006-01-10 2009-01-01 Okubo Masayuki Rotating Electrical Machine
JP5241184B2 (ja) * 2007-09-14 2013-07-17 キヤノン株式会社 モータ
JP5479008B2 (ja) * 2009-09-18 2014-04-23 株式会社ミツバ ブラシレスモータ
JP2013102597A (ja) * 2011-11-08 2013-05-23 Mitsuba Corp 電動機用ロータおよびブラシレスモータ
JP2019083651A (ja) * 2017-10-31 2019-05-30 三菱電機株式会社 ロータ、ロータの製造方法、および、回転電機
CN208806666U (zh) * 2018-09-19 2019-04-30 珠海格力电器股份有限公司 表贴式永磁转子结构和永磁电机

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130342064A1 (en) * 2012-06-22 2013-12-26 Lg Innotek Co., Ltd. Rotor and motor having the same
US10439459B2 (en) * 2014-02-10 2019-10-08 Mitsubishi Electric Corporation Rotor
DE102017223622A1 (de) * 2017-12-21 2019-06-27 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg Rotor für einen Elektromotor und Elektromotor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021132917A1 *

Also Published As

Publication number Publication date
US20230031008A1 (en) 2023-02-02
CN114902531A (zh) 2022-08-12
JP2023508959A (ja) 2023-03-06
WO2021132917A1 (ko) 2021-07-01
EP4084296A1 (de) 2022-11-02

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Legal Events

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Effective date: 20220623

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Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

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DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20230531

RIC1 Information provided on ipc code assigned before grant

Ipc: H02K 1/278 20220101ALI20230524BHEP

Ipc: B62D 5/04 20060101ALI20230524BHEP

Ipc: H02K 21/22 20060101ALI20230524BHEP

Ipc: H02K 21/24 20060101ALI20230524BHEP

Ipc: H02K 1/28 20060101ALI20230524BHEP

Ipc: H02K 1/27 20220101AFI20230524BHEP